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/*
 * Copyright (C) 2022 Free Software Foundation
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.mxchange.pizzaapplication.beans.business.branchoffice;

import java.util.List;
import javax.ejb.EJB;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.event.Event;
import javax.enterprise.inject.Any;
import javax.inject.Inject;
import javax.inject.Named;
import org.mxchange.jcontactsbusiness.events.branchoffice.added.BranchOfficeAddedEvent;
import org.mxchange.jcontactsbusiness.events.branchoffice.added.ObservableBranchOfficeAddedEvent;
import org.mxchange.jcontactsbusiness.exceptions.branchoffice.BranchOfficeAlreadyAddedException;
import org.mxchange.jcontactsbusiness.model.basicdata.BusinessBasicData;
import org.mxchange.jcontactsbusiness.model.branchoffice.AdminBranchOfficeSessionBeanRemote;
import org.mxchange.jcontactsbusiness.model.branchoffice.BranchOffice;
import org.mxchange.jcontactsbusiness.model.branchoffice.BranchOffices;
import org.mxchange.jcontactsbusiness.model.branchoffice.CompanyBranchOffice;
import org.mxchange.jcontactsbusiness.model.employee.Employee;
import org.mxchange.jcountry.model.data.Country;
import org.mxchange.jphone.model.phonenumbers.fax.DialableFaxNumber;
import org.mxchange.jphone.model.phonenumbers.fax.FaxNumber;
import org.mxchange.jphone.model.phonenumbers.landline.DialableLandLineNumber;
import org.mxchange.jphone.model.phonenumbers.landline.LandLineNumber;
import org.mxchange.jusercore.model.user.User;
import org.mxchange.pizzaapplication.beans.BasePizzaBean;

/**
 * An administrative bean for branch offices
 * <p>
 * @author Roland Häder<roland@mxchange.org>
 */
@Named ("adminBranchOfficeController")
@RequestScoped
public class PizzaAdminBranchOfficeWebRequestBean extends BasePizzaBean implements PizzaAdminBranchOfficeWebRequestController {

        /**
         * Serial number
         */
        private static final long serialVersionUID = 5_028_697_360_461L;

        /**
         * EJB for administrative purposes
         */
        @EJB (lookup = "java:global/pizzaservice-ejb/adminBranchOffice!org.mxchange.jcontactsbusiness.model.branchoffice.AdminBranchOfficeSessionBeanRemote")
        private AdminBranchOfficeSessionBeanRemote adminBranchOfficeBean;

        /**
         * City
         */
        private String branchCity;

        /**
         * Assigned company for this branch office
         */
        private BusinessBasicData branchCompany;

        /**
         * Contact person in branch office
         */
        private Employee branchContactEmployee;

        /**
         * Country
         */
        private Country branchCountry;

        /**
         * Email address
         */
        private String branchEmailAddress;

        /**
         * House number
         */
        private Short branchHouseNumber;

        /**
         * An event being fired when a branch office has been successfully added
         */
        @Inject
        @Any
        private Event<ObservableBranchOfficeAddedEvent> branchOfficeAddedEvent;

        /**
         * A general branch office controller (backing bean)
         */
        @Inject
        private PizzaBranchOfficeWebRequestController branchOfficeController;

        /**
         * Store
         */
        private Short branchStore;

        /**
         * Branch office street name
         */
        private String branchStreet;

        /**
         * Suite number
         */
        private Short branchSuiteNumber;

        /**
         * Owning user instance (which this branch office is assigned to)
         */
        private User branchUserOwner;

        /**
         * ZIP code
         */
        private Integer branchZipCode;

        /**
         * Area code for fax number
         */
        private Integer faxAreaCode;

        /**
         * Country for fax number
         */
        private Country faxCountry;

        /**
         * Dial number for fax number
         */
        private Long faxNumber;

        /**
         * Area code for land-line number
         */
        private Integer landLineAreaCode;

        /**
         * Country for land-line number
         */
        private Country landLineCountry;

        /**
         * Dial number for land-line number
         */
        private Long landLineNumber;

        /**
         * Default constructor
         */
        public PizzaAdminBranchOfficeWebRequestBean () {
                // Call super constructor
                super();
        }

        /**
         * Adds branch office with all data from this backing bean. First this
         * action method will validate if the branch office's address is already
         * registered and if found, it will output a proper faces message.
         * <p>
         * @return Redirect outcome
         */
        public String addBranchOffice () {
                // Get instance
                final BranchOffice branchOffice = this.createBranchOffice();

                // Is the branch office not created yet?
                if (this.isBranchOfficeCreatedByRequiredData(branchOffice)) {
                        // Then show proper faces message
                        this.showFacesMessage("form_admin_add_branch_office:branchStreet", "ADMIN_BRANCH_OFFICE_ALREADY_CREATED"); //NOI18N
                        return ""; //NOI18N
                }

                // Delcare updated instance
                final BranchOffice updatedOffice;

                try {
                        // Try to call EJB
                        updatedOffice = this.adminBranchOfficeBean.addBranchOffice(branchOffice);
                } catch (final BranchOfficeAlreadyAddedException ex) {
                        // Output message
                        this.showFacesMessage("form_admin_add_branch_office:branchStreet", "ADMIN_BRANCH_OFFICE_ALREADY_CREATED"); //NOI18N
                        return ""; //NOI18N
                }

                // Fire event
                this.branchOfficeAddedEvent.fire(new BranchOfficeAddedEvent(updatedOffice));

                // Redirect to list
                return "admin_list_branch_offices"; //NOI18N
        }

        /**
         * Getter for city
         * <p>
         * @return City
         */
        public String getBranchCity () {
                return this.branchCity;
        }

        /**
         * Setter for city
         * <p>
         * @param branchCity City
         */
        public void setBranchCity (final String branchCity) {
                this.branchCity = branchCity;
        }

        /**
         * Getter for basic company data
         * <p>
         * @return Basic company data
         */
        public BusinessBasicData getBranchCompany () {
                return this.branchCompany;
        }

        /**
         * Setter for basic company data
         * <p>
         * @param branchCompany Basic company data
         */
        public void setBranchCompany (final BusinessBasicData branchCompany) {
                this.branchCompany = branchCompany;
        }

        /**
         * Getter for branch office contact person
         * <p>
         * @return Branch office contact person
         */
        public Employee getBranchContactEmployee () {
                return this.branchContactEmployee;
        }

        /**
         * Setter for branch office contact person
         * <p>
         * @param branchContactEmployee Branch office contact person
         */
        public void setBranchContactEmployee (final Employee branchContactEmployee) {
                this.branchContactEmployee = branchContactEmployee;
        }

        /**
         * Getter for country
         * <p>
         * @return Country
         */
        public Country getBranchCountry () {
                return this.branchCountry;
        }

        /**
         * Setter for country
         * <p>
         * @param branchCountry Country
         */
        public void setBranchCountry (final Country branchCountry) {
                this.branchCountry = branchCountry;
        }

        /**
         * Getter for email address
         * <p>
         * @return Email address
         */
        public String getBranchEmailAddress () {
                return this.branchEmailAddress;
        }

        /**
         * Getter for email address
         * <p>
         * @param branchEmailAddress Email address
         */
        public void setBranchEmailAddress (final String branchEmailAddress) {
                this.branchEmailAddress = branchEmailAddress;
        }

        /**
         * Getter for house number
         * <p>
         * @return House number
         */
        public Short getBranchHouseNumber () {
                return this.branchHouseNumber;
        }

        /**
         * Setter for house number
         * <p>
         * @param branchHouseNumber House number
         */
        public void setBranchHouseNumber (final Short branchHouseNumber) {
                this.branchHouseNumber = branchHouseNumber;
        }

        /**
         * Getter for store
         * <p>
         * @return Store
         */
        public Short getBranchStore () {
                return this.branchStore;
        }

        /**
         * Setter for store
         * <p>
         * @param branchStore Store
         */
        public void setBranchStore (final Short branchStore) {
                this.branchStore = branchStore;
        }

        /**
         * Getter for street name
         * <p>
         * @return Street name
         */
        public String getBranchStreet () {
                return this.branchStreet;
        }

        /**
         * Setter for street name
         * <p>
         * @param branchStreet Street name
         */
        public void setBranchStreet (final String branchStreet) {
                this.branchStreet = branchStreet;
        }

        /**
         * Getter for suite number
         * <p>
         * @return Suite number
         */
        public Short getBranchSuiteNumber () {
                return this.branchSuiteNumber;
        }

        /**
         * Setter for suite number
         * <p>
         * @param branchSuiteNumber Suite number
         */
        public void setBranchSuiteNumber (final Short branchSuiteNumber) {
                this.branchSuiteNumber = branchSuiteNumber;
        }

        /**
         * Getter for owning user instance
         * <p>
         * @return Owning user instance
         */
        public User getBranchUserOwner () {
                return this.branchUserOwner;
        }

        /**
         * Setter for owning user instance
         * <p>
         * @param branchUserOwner Owning user instance
         */
        public void setBranchUserOwner (final User branchUserOwner) {
                this.branchUserOwner = branchUserOwner;
        }

        /**
         * Getter for ZIP code\
         * <p>
         * @return ZIP code
         */
        public Integer getBranchZipCode () {
                return this.branchZipCode;
        }

        /**
         * Setter for ZIP code\
         * <p>
         * @param branchZipCode ZIP code
         */
        public void setBranchZipCode (final Integer branchZipCode) {
                this.branchZipCode = branchZipCode;
        }

        /**
         * Getter for fax number's area code
         * <p>
         * @return Fax number's area code
         */
        public Integer getFaxAreaCode () {
                return this.faxAreaCode;
        }

        /**
         * Setter for fax number's area code
         * <p>
         * @param faxAreaCode Fax number's area code
         */
        public void setFaxAreaCode (final Integer faxAreaCode) {
                this.faxAreaCode = faxAreaCode;
        }

        /**
         * Getter for fax's country instance
         * <p>
         * @return Fax' country instance
         */
        public Country getFaxCountry () {
                return this.faxCountry;
        }

        /**
         * Setter for fax's country instance
         * <p>
         * @param faxCountry Fax' country instance
         */
        public void setFaxCountry (final Country faxCountry) {
                this.faxCountry = faxCountry;
        }

        /**
         * Getter for fax number
         * <p>
         * @return Fax number
         */
        public Long getFaxNumber () {
                return this.faxNumber;
        }

        /**
         * Setter for fax number
         * <p>
         * @param faxNumber Fax number
         */
        public void setFaxNumber (final Long faxNumber) {
                this.faxNumber = faxNumber;
        }

        /**
         * Getter for land-line number's area code
         * <p>
         * @return Land-line number's area code
         */
        public Integer getLandLineAreaCode () {
                return this.landLineAreaCode;
        }

        /**
         * Setter for land-line number's area code
         * <p>
         * @param landLineAreaCode Land-line number's area code
         */
        public void setLandLineAreaCode (final Integer landLineAreaCode) {
                this.landLineAreaCode = landLineAreaCode;
        }

        /**
         * Getter for land-line number's country instance
         * <p>
         * @return Land-line number's country instance
         */
        public Country getLandLineCountry () {
                return this.landLineCountry;
        }

        /**
         * Setter for land-line number's country instance
         * <p>
         * @param landLineCountry Land-line number's country instance
         */
        public void setLandLineCountry (final Country landLineCountry) {
                this.landLineCountry = landLineCountry;
        }

        /**
         * Getter for land-line number
         * <p>
         * @return Land-line number
         */
        public Long getLandLineNumber () {
                return this.landLineNumber;
        }

        /**
         * Setter for land-line number
         * <p>
         * @param landLineNumber Land-line number
         */
        public void setLandLineNumber (final Long landLineNumber) {
                this.landLineNumber = landLineNumber;
        }

        /**
         * Prepares an instance of a BranchOffice object (entity) with all data from
         * this bean. If a complete fax number or land-line number was provided, it
         * will be set in the instance as well.
         * <p>
         * @return An instance of a BranchOffice class (entity)
         */
        private BranchOffice createBranchOffice () {
                // Create new branch office instance
                final BranchOffice branchOffice = new CompanyBranchOffice(this.getBranchCity(), this.getBranchCompany(), this.getBranchCountry(), this.getBranchStreet(), this.getBranchZipCode(), this.getBranchHouseNumber());

                // Add all other fields, too
                branchOffice.setBranchContactEmployee(this.getBranchContactEmployee());
                branchOffice.setBranchEmailAddress(this.getBranchEmailAddress());
                branchOffice.setBranchStore(this.getBranchStore());
                branchOffice.setBranchSuiteNumber(this.getBranchSuiteNumber());
                branchOffice.setBranchUserOwner(this.getBranchUserOwner());

                // Generate phone number
                final DialableLandLineNumber landLine = new LandLineNumber(this.getLandLineCountry(), this.getLandLineAreaCode(), this.getLandLineNumber());
                final DialableFaxNumber fax = new FaxNumber(this.getFaxCountry(), this.getFaxAreaCode(), this.getFaxNumber());

                // Don't set null or wrong references
                if ((landLine instanceof DialableLandLineNumber) && (landLine.getPhoneCountry() instanceof Country) && (this.getLandLineAreaCode() != null) && (this.getLandLineNumber() != null) && (this.getLandLineAreaCode() > 0) && (this.getLandLineNumber() > 0)) {
                        // Now the number must be given
                        if (landLine.getPhoneAreaCode() == null) {
                                // Is null
                                throw new NullPointerException("phone.phoneAreaCode is null"); //NOI18N
                        } else if (landLine.getPhoneAreaCode() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("phone.phoneAreaCode is zero or below."); //NOI18N
                        } else if (landLine.getPhoneNumber() == null) {
                                // Is null
                                throw new NullPointerException("phone.phoneNumber is null"); //NOI18N
                        } else if (landLine.getPhoneNumber() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("phone.phoneNumber is zero or below."); //NOI18N
                        }

                        // Set phone number
                        branchOffice.setBranchLandLineNumber(landLine);
                }

                // Don't set null or wrong references
                if ((fax instanceof DialableFaxNumber) && (fax.getPhoneCountry() instanceof Country) && (this.getFaxAreaCode() != null) && (this.getFaxNumber() != null) && (this.getFaxAreaCode() > 0) && (this.getFaxNumber() > 0)) {
                        // Now the number must be given
                        if (fax.getPhoneAreaCode() == null) {
                                // Is null
                                throw new NullPointerException("fax.phoneAreaCode is null"); //NOI18N
                        } else if (fax.getPhoneAreaCode() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("fax.phoneAreaCode is zero or below."); //NOI18N
                        } else if (fax.getPhoneNumber() == null) {
                                // Is null
                                throw new NullPointerException("fax.phoneNumber is null"); //NOI18N
                        } else if (fax.getPhoneNumber() < 1) {
                                // Abort here
                                throw new IllegalArgumentException("fax.phoneNumber is zero or below."); //NOI18N
                        }

                        // Set fax number
                        branchOffice.setBranchFaxNumber(fax);
                }

                // Return fully prepared instance
                return branchOffice;
        }

        /**
         * Checks whether the given branch office's address is already found in
         * local cache. Please note that this method fully relies on the cache, so
         * you must always fire proper events that add/update/delete entries in
         * cache.
         * <p>
         * @param branchOffice Branch office to check it's address
         * <p>
         * @return Whether the address has been found
         */
        private boolean isBranchOfficeCreatedByRequiredData (final BranchOffice branchOffice) {
                // Get full list from other bean
                final List<BranchOffice> branchOffices = this.branchOfficeController.allBranchOffices();

                // Default is not found
                boolean isFound = false;

                // Now check each entry
                for (final BranchOffice bo : branchOffices) {
                        // Is same address?
                        if (BranchOffices.isSameAddress(bo, branchOffice)) {
                                // Found one
                                isFound = true;
                                break;
                        }
                }

                // Return flag
                return isFound;
        }

}